CN106647031A - Light emitting module, display device and manufacturing method of light emitting module - Google Patents
Light emitting module, display device and manufacturing method of light emitting module Download PDFInfo
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- CN106647031A CN106647031A CN201611230298.0A CN201611230298A CN106647031A CN 106647031 A CN106647031 A CN 106647031A CN 201611230298 A CN201611230298 A CN 201611230298A CN 106647031 A CN106647031 A CN 106647031A
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- emitting module
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- 238000004519 manufacturing process Methods 0.000 title abstract description 3
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 19
- 238000000059 patterning Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000007769 metal material Substances 0.000 description 11
- 239000004973 liquid crystal related substance Substances 0.000 description 8
- 230000000644 propagated effect Effects 0.000 description 5
- 230000003760 hair shine Effects 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical group [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 238000005286 illumination Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/06—Optical design with parabolic curvature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/856—Arrangements for extracting light from the devices comprising reflective means
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/17—Passive-matrix OLED displays
- H10K59/173—Passive-matrix OLED displays comprising banks or shadow masks
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/17—Passive-matrix OLED displays
- H10K59/179—Interconnections, e.g. wiring lines or terminals
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/86—Series electrical configurations of multiple OLEDs
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a light emitting module, a display device and a manufacturing method of the light emitting module, and belongs to the field of display. The light emitting module comprises a substrate; a concave reflection structure is arranged on the substrate; a first flat layer is arranged on the concave reflection structure; a first anode is arranged on the first flat layer; a light emitting layer is arranged on the first anode, an opening of the concave reflection structure faces the light emitting layer, and the perpendicular distance between the bottom of the concave reflection structure and the light emitting layer is a preset distance; a cathode is arranged on the light emitting layer. The method comprises the steps that the concave reflection structure is formed on the substrate; the first flat layer is formed on the concave reflection structure; the first anode is formed on the first flat layer; the light emitting layer is formed on the first anode; the cathode is formed on the light emitting layer. The crosstalk degree can be decreased.
Description
Technical field
The present invention relates to display field, the preparation method of more particularly to a kind of light emitting module, display device and light emitting module.
Background technology
Liquid crystal panel is light, thin because having the advantages that, is the vitals for making liquid crystal display.Due to liquid crystal panel itself
Can not self-luminous, so need backlight is set in liquid crystal display.The backlight produces light, and the light irradiation that will be produced
To on liquid crystal panel.Liquid crystal panel is modulated to form display picture to the light for irradiating.
During the present invention is realized, inventor has found that prior art at least has problems with：
In liquid crystal display, one or more pixels on each backlight correspondence liquid crystal panel, each backlight to
The light of generation is irradiated in each self-corresponding pixel.But the light that at present backlight is produced can irradiate to different directions, cause this
Backlight except can to its corresponding pixel illumination its produce light, can with to other pixel illuminations its produce light, from
And form very big crosstalk.
The content of the invention
In order to reduce degree of crosstalk, the invention provides the making side of a kind of light emitting module, display device and light emitting module
Method.The technical scheme is as follows：
On the one hand, there is provided a kind of light emitting module, including：
Substrate；
Concave reflective structure is provided with the substrate；
The first flatness layer is provided with the concave reflective structure；
The first anode is provided with first flatness layer；
Luminescent layer is provided with the first anode, the opening of the concave reflective structure is towards the luminescent layer and described
The bottom of concave reflective structure to the vertical range of the luminescent layer is predeterminable range；
Negative electrode is provided with the luminescent layer.
Optionally, the predeterminable range is the focal length of the equivalent concavees lens of the concave reflective structure.
Optionally, the light emitting module also includes the second flatness layer, and the concave reflective structure is concave reflective film；
Second flatness layer is provided with the substrate, second flatness layer is provided with groove；
The concave reflective film is provided with the groove of second flatness layer.
Optionally, the material of the concave reflective film is metal.
Optionally, the material of the concave reflective film is silver.
Optionally, second plate is provided with second flatness layer, the second plate is located at second flatness layer
And the concave reflective film between, the first anode and the second plate are electrically connected.
Optionally, first flatness layer is additionally provided with via, and the first anode and the second plate are by the mistake
Hole electrically connects.
, there is provided a kind of display device, including any of the above-described kind of light emitting module on the other hand.
Optionally, the display device includes multiple light emitting modules, and the plurality of light emitting module is aligned to an at least row
At least a line；
The often second plate series connection of row light emitting module and the negative electrode series connection of each column light emitting module；Or
The often negative electrode series connection of row light emitting module and the second plate series connection of each column light emitting module.
On the other hand, there is provided a kind of preparation method of light emitting module, methods described includes：
Concave reflective structure is formed on substrate；
The first flatness layer is formed in the concave reflective structure；
The first anode is formed on first flatness layer；
Luminescent layer is formed on the first anode, the opening of the concave reflective structure is towards the luminescent layer and described
The bottom of concave reflective structure to the vertical range of the luminescent layer is predeterminable range；
Negative electrode is formed on the light-emitting layer.
Optionally, it is described that concave reflective structure is formed on substrate, including：
The second flatness layer is formed on substrate, and groove is formed on second flatness layer by a patterning processes；
Concave reflective film is formed on the groove.
The beneficial effect of technical scheme that the present invention is provided is：
The light that luminescent layer is produced can be reflected into by concave reflective structure for the collimated light of high brightness, and collimated light is edge
The light that same direction is propagated, and the collimated light is through negative electrode and shines out, the light for so producing luminescent layer is tried one's best along same
Direction blazes abroad, such that it is able to reduce degree of crosstalk.
Description of the drawings
Fig. 1-1 is a kind of structural representation of light emitting module that the embodiment of the present invention one is provided；
Fig. 1-2 is the structural representation of another kind of light emitting module that the embodiment of the present invention one is provided；
Fig. 1-3 is the structural representation of another kind of light emitting module that the embodiment of the present invention one is provided；
Fig. 1-4 is the structural representation of another kind of light emitting module that the embodiment of the present invention one is provided；
Fig. 2 is a kind of structural representation of display device that the embodiment of the present invention two is provided；
Fig. 3-1 is the preparation method flow chart of another kind of light emitting module that the embodiment of the present invention three is provided；
Fig. 3-2 to 3-5 is the light emitting module manufacturing process schematic diagram that the embodiment of the present invention three is provided.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment one
Referring to Fig. 1-1, a kind of light emitting module is embodiments provided, including：
Substrate 1；
Concave reflective structure 2 is provided with substrate 1；
The first flatness layer 3 is provided with concave reflective structure 2；
The first anode 4 is provided with first flatness layer 3；
It is provided with luminescent layer 5 on the first anode 4, the opening of concave reflective structure 2 is towards luminescent layer 5 and concave reflective structure
2 bottom to the vertical range of luminescent layer 5 is predeterminable range；
Negative electrode 6 is provided with luminescent layer 5.
When the first anode 4 and negative electrode 6 are powered, luminescent layer 5 produces light, and the big portion's light for producing towards concave reflective structure
2 direction irradiation.The light that luminescent layer 5 is produced can be reflected into concave reflective structure 2 collimated light of high brightness, and collimated light is
The light propagated in the same direction, and the collimated light is through negative electrode 6 and shining out, so tries one's best the light that luminescent layer 5 is produced edge
Same direction blazes abroad, such that it is able to reduce degree of crosstalk.
Optionally, predeterminable range is the focal length of the equivalent concavees lens of concave reflective structure 2..
Wherein, predeterminable range for focus and the concave reflective structure 2 of concave reflective structure 2 the distance between bottom, this
Sample can ensure that luminescent layer 5 is located at the horizontal position of the focus of the equivalent concavees lens of concave reflective structure 2, so can make recessed
The collimated light best results that shape catoptric arrangement 2 is formed.
Optionally, referring to Fig. 1-2, the light emitting module also includes the second flatness layer 21, and concave layer catoptric arrangement 2 can be spill
Reflectance coating 22.
Second flatness layer 21 is provided with substrate 1, the second flatness layer 21 is provided with groove；The groove of the second flatness layer 21
On be provided with the concave reflective film 22.
Wherein, the light that luminescent layer 5 irradiates can be reflected into high brightness by the opening of concave reflective film 22 towards luminescent layer 5
Collimated light, the collimated light is through negative electrode 6 and shining out.
Concave reflective film 22 is not to cover whole second flatness layer 21, and its area only need to be flat slightly larger than being arranged on second
The surface area of the groove on layer 21.Because concave reflective film 22 is not to cover whole second flatness layer 21, so that spill
The light that 22 Refl-Luminous layer of reflection mould 5 is produced, and the light of reflection is gathered into collimated light, it is to avoid reflection natural light.
Wherein, the first flatness layer 3, the material of the second flatness layer 21 can be transparent resin.The material of concave reflective film 23
Material can be metal material, for example, can be argent.The material of the first anode 4 can be transparent metal material；Luminescent layer 5
Material be luminescent material, when the first anode 4 and negative electrode 6 are powered, the luminescent material in luminescent layer 5 produces light；The material of negative electrode 6
Material can be transparent metal oxide, for example, think IZO.
Optionally, referring to Fig. 1-2, second plate 7 is provided with the second flatness layer 21, it is flat that second plate 7 is located at second
Between layer 21 and concave reflective film 22；Second plate 7 is electrically connected with the first anode 4.
The material of second plate 7 is metal material, and can be transparent metal material.Second plate 7 can be with external electrical
Source electrically connects, and the first anode 4 and external power source can be powered by second plate 7.
Optionally, via 31 is formed with the first flatness layer 3, the first anode 4 and second plate 7 are electrically connected by via 31
Connect.
Wherein, the first anode 4 is connected with second plate 7 by concave reflective film 22, specifically：The first anode 4 first leads to
Via 31 is directly electrically connected with concave reflective film 22, and concave reflective film 22 is covered on second plate 7, and because spill is anti-
The material for penetrating film 22 is metal, so can connect the first anode 4 and second plate 7 by concave reflective film 22.
Optionally, referring to Fig. 1-2, the bottom of concave reflective structure 2 is the bottom of concave reflective film 22, the bottom be as
A points position shown in Fig. 1-2.The bottom of concave reflective structure 2 is to the bottom that the vertical range of luminescent layer 5 is concave reflective film 22
The vertical range of A to luminescent layer 5, so the vertical range of the bottom A of concave reflective film 22 to luminescent layer 5 is predeterminable range, and
The vertical range is equal to the distance between the height h1 and concave reflective film 22 and luminescent layer 5 of concave reflective film 22 h2 sums.
Optionally, referring to Fig. 1-3, transparent cover plate 8 is additionally provided with negative electrode 6, the transparent cover plate 8 can be to negative electrode 6 etc.
Protected part.
Wherein, in the present embodiment, light emitting module can be used as the backlight of display panels, it is also possible to used as array
Pixel on substrate.Referring to Fig. 1-4, when as backlight, the display panels are located at cover plate 8 away from the one of luminescent layer 5
Side.
In embodiments of the present invention, the light that luminescent layer is produced can be reflected into the standard of high brightness by concave reflective structure
Direct light, and collimated light is the light propagated in the same direction, and the collimated light is through negative electrode and shines out, and so produces luminescent layer
Raw light blazes abroad in the same direction as far as possible, such that it is able to reduce degree of crosstalk.
Embodiment two
Referring to Fig. 2, a kind of display device, including any one luminous mould that embodiment one is provided are embodiments provided
Block B.
Optionally, referring also to Fig. 2, the display device can include that multiple light emitting module B, the plurality of light emitting module B are arranged
Arrange at least one row and at least a line；
The often second plate series connection of row light emitting module B and the negative electrode series connection of each column light emitting module B；Or
The often negative electrode series connection of row light emitting module B and the second plate series connection of each column light emitting module B.
Wherein, often the second plate of row light emitting module B is electrically connected with drive circuit, negative electrode and the drive of each column light emitting module B
Dynamic circuit is electrically connected；Or, often the negative electrode of row light emitting module B is electrically connected with drive circuit, negative electrode and the driving of each column light emitting module B
Circuit is electrically connected.Specific light emitting module B can be controlled by drive circuit luminous or do not light.
In embodiments of the present invention, because each light emitting module for constituting display device will can be sent out by concave reflective structure
The light that photosphere is produced is reflected into the collimated light of high brightness, and collimated light is the light propagated in the same direction, and the collimated light is passed through
Negative electrode simultaneously shines out, and so the light that luminescent layer is produced blazes abroad in the same direction as far as possible, such that it is able to reduce crosstalk journey
Degree.
Embodiment three
Referring to Fig. 3-1, a kind of preparation method of light emitting module is embodiments provided, including：
Step 301：Concave reflective structure 2 is formed on substrate 1.
Specifically, the second flatness layer 21 is formed on substrate 1, and forms recessed on the second flatness layer 21 by patterning processes
Groove；Concave reflective film 22 is formed on groove.Wherein, it is also formed with second between the second flatness layer 21 and concave reflective film 22 positive
Pole 7.
Referring to Fig. 3-2, when actually realizing, the figure a in such as Fig. 3-2 deposits on substrate 1 first layer of transparent resinous wood
Material forms the second flatness layer 21；Secondly, the figure b such as in Fig. 3-2, the first time structure such as is exposed, develops to the second flatness layer 21
Figure technological operation, to form a groove in the second flatness layer 21；Then, such as the figure c in Fig. 3-2, deposit in the second flatness layer 21
Layer of transparent metal material, and second plate 7 is formed by second patterning processes, and the second plate 7 also has groove；Most
Afterwards, such as the figure d in Fig. 3-2, layer of metal material is deposited on the groove of second plate 7, the metal material can be argent
Deng material, this layer of metal material is carried out the operation of the 3rd patterning processes such as to sputter, form concave reflective film 22.
Step 302：The first flatness layer 3 is formed in the concave reflective structure 2.
Referring to Fig. 3-3, layer of transparent resin material is deposited on second plate 7 and concave reflective film 22, form first flat
Smooth layer 3, then by the 4th patterning processes, forms via 31 on the first flatness layer 3, wherein, via 31 and concave reflective film 22
Connection.
Step 303：The first anode 4 is formed on the first flatness layer 3.
Referring to Fig. 3-4, transparent metal material is deposited on first flat 3 and via 31, then to the transparent metal material
The 5th patterning processes are carried out, the first anode 4 is formed, and the first anode 4 is electrically connected by via 31 with concave reflective film 22.By
It is located on second plate 7 in concave reflective film 22, and the material of concave reflective film 22 is also metal material, so the first anode 4
Also electrically connect with second plate 7.
Step 304：Form luminescent layer 5 on the first anode 4, the opening of concave reflective structure 2 is towards luminescent layer 5 and spill
The bottom of catoptric arrangement 2 to the vertical range of luminescent layer 5 is predeterminable range.
Specifically, referring to Fig. 3-5, one layer of luminescent material can be deposited on the first flatness layer 3 and the first anode 4, is formed
Luminescent layer 5.Wherein the vertical range of the bottom A of concave reflective film 22 to luminescent layer 5 is predeterminable range.
Step 305：Negative electrode 6 is formed on luminescent layer 5.
Referring to Fig. 1-1, layer of metal oxide is deposited on luminescent layer 5, form negative electrode 6, the metal oxide can be
IZO。
In embodiments of the present invention, in the first anode and cathodal closing, luminescent layer produces light, and the big portion's light court for producing
Irradiate to the direction of concave reflective film.The light that luminescent layer is produced can be reflected into concave reflective film the collimated light of high brightness, and
Collimated light is the light propagated in the same direction, and the collimated light is through negative electrode and shines out, the light for so producing luminescent layer
Blaze abroad in the same direction as far as possible, such that it is able to reduce degree of crosstalk.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of light emitting module, it is characterised in that include：
Substrate；
Concave reflective structure is provided with the substrate；
The first flatness layer is provided with the concave reflective structure；
The first anode is provided with first flatness layer；
It is provided with luminescent layer on the first anode, the opening of the concave reflective structure is towards the luminescent layer and the spill
The bottom of catoptric arrangement to the vertical range of the luminescent layer is predeterminable range；
Negative electrode is provided with the luminescent layer.
2. light emitting module as claimed in claim 1, it is characterised in that the predeterminable range is that the concave reflective structure is equivalent
Concavees lens focal length.
3. light emitting module as claimed in claim 1, it is characterised in that also including the second flatness layer, and the concave reflective ties
Structure is concave reflective film；
Second flatness layer is provided with the substrate, second flatness layer is provided with groove；
The concave reflective film is provided with the groove of second flatness layer.
4. light emitting module as claimed in claim 3, it is characterised in that the material of the concave reflective film is metal.
5. light emitting module as claimed in claim 3, it is characterised in that be provided with second plate on second flatness layer, institute
State second plate to be located between second flatness layer and the concave reflective film, the first anode and the second plate are electric
Connection.
6. light emitting module as claimed in claim 5, it is characterised in that first flatness layer is additionally provided with via, described first
Anode and the second plate are electrically connected by the via.
7. a kind of display device, it is characterised in that the display device is included such as any one of claim 1 to 6 claim institute
The light emitting module stated.
8. display device as claimed in claim 7, it is characterised in that the display device includes multiple light emitting modules, described
Multiple light emitting modules are aligned at least one row and at least a line；
The often second plate series connection of row light emitting module and the negative electrode series connection of each column light emitting module；Or
The often negative electrode series connection of row light emitting module and the second plate series connection of each column light emitting module.
9. a kind of preparation method of light emitting module, it is characterised in that methods described includes：
Concave reflective structure is formed on substrate；
The first flatness layer is formed in the concave reflective structure；
The first anode is formed on first flatness layer；
Form luminescent layer on the first anode, the opening of the concave reflective structure is towards the luminescent layer and the spill
The bottom of catoptric arrangement to the vertical range of the luminescent layer is predeterminable range；
Negative electrode is formed on the light-emitting layer.
10. method as claimed in claim 9, it is characterised in that described that concave reflective structure is formed on substrate, including：
The second flatness layer is formed on substrate, and groove is formed on second flatness layer by a patterning processes；
Concave reflective film is formed on the groove.
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| US15/708,085 US10393346B2 (en) | 2016-12-27 | 2017-09-18 | Light emitting module with concave reflecting structure, display device with light emitting module and method for manufacturing light emitting module with concave reflecting structure |
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| US20180180252A1 (en) | 2018-06-28 |
| US10393346B2 (en) | 2019-08-27 |
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